Well that SEAT dealership that I handed that late 2009 Ibiza 1.4 16V SC into had just dealt with a same age Polo 1.4 16V, so VW dealerships will also know about this, but probably as I said, most of this was an issue roughly 10 years ago.
That SEAT dealership was Arnold Clark and they had/have VW dealerships elsewhere in Central Scotland, so I'm not sure if they would have used maybe its VW diagnostics license to source or locate the BCM S/W update.
You can only ask, but take some "facts" - remember in most garage's mind, internet forum chat is just that, ie wrong and hot air, so be prepared for that logic to be used into your face.
Good luck as getting this sorted out removes the uncertainty of "will it start?".
That SEAT dealership was Arnold Clark and they had/have VW dealerships elsewhere in Central Scotland, so I'm not sure if they would have used maybe its VW diagnostics license to source or locate the BCM S/W update.
You can only ask, but take some "facts" - remember in most garage's mind, internet forum chat is just that, ie wrong and hot air, so be prepared for that logic to be used into your face.
Good luck as getting this sorted out removes the uncertainty of "will it start?".